Annual ring analysis of persian oak (Quercus Brantii) to determine periods of stress and tensions on Zagros Forests (case study: forests of Ilam County)

Goal of this study was to analyze relationships between the annual variability of Persian Oak (Quercus Brantii) tree-ring chronologies and the variability of the main climatic parameters in Zagros forests of Iran. In order to conduct this research, 17 annual ring diskettes of 17 Persian Oak tree collars, in CheghaSabz District of Ilam County, were […]

A preliminary survey of fish fauna of river Panjkora at District Upper Dir, Khyber Pakhtunkhwa Pakistan

This preliminary study was conducted from March 2011 to November 2011 to evaluate the fish fauna of River Panjkora at District Dir Upper Khyber Pakhtunkhwa. During the study eleven fish species were identified. These species were belonging to four orders including Cypriniformes, Channiformes, Salmoniformes and Siluriformes, and four families including Cyprinidae, Channidae, Salmonidae and Sisoridae. […]

Ecophysiological studies on Achillea fragrantissima and Artemisia judaica in two wadis of Southern Sinai, Egypt

The physiological and molecular responses of Achillea fragrantissima (Forssk.) Sch. Bip. and Artemisia judaica L. growing in Wadi El-Sheikh (WSH) and Wadi El-Arbaean (WAR) in Saint Catharine, Southern Sinai, Egypt during the wet and dry seasons were investigated. The results revealed that.in both wadies, soil had higher electrical conductivity (EC) and higher water content . […]

Evaluation of range grasses available in Homand Absard Rangeland research station

To evaluate range species including Elymus transhircanus, Stipa bromoides, Stipa capillata, Koeleria macrantha, Koeleria phleoides, Melica cupani, Melica jacquemontii with several accessions, this research was conducted at Homand Absard Rangeland Research Station to select the best accessions. The experiment began in 2003 and continued until 2007. After seedbed preparation, accessions were planted on 13-meter lines […]

Prediction of shrub forms production by integrating statistical and remote sensing data (a case study: Chehelgazi watershed of Sanandaj-Iran)

Rangelands vegetation cover is the main resource production of protein in Iran. Inappropriate usage and misknowing of species combination, is the agent of decreasing of valuable species in rangelands. Annual production definition based on growth form or possibly could base on species is the major factor of accurate rangelands management specially grazing programing and natural […]

Effect bulb size and two specie mooseer to yield components bulb percent allicin in weather mashhad

One of the most important species of medicinal and industrial shallot Iran. Those in the as normal and in elevated areas with very cold climate to semi grow cold. Shallot (Allium altissimum) and Persian shallot (Allium hirtifolium), are represented important species in Iran. To investigate the possibility of domestication and cultivation of these two native […]

Intra-specific variations of Rubus sp. (Rosaceae) in Northern Iran: morphometric analysis and microsatellite markers

During the growing season, young raspberry leaf samples were collected from natural populations in northern Iran. A total of 65 Rubus samples were collected at altitudes ranging from 0 to 1021 meter above sea level. Morphometric and molecular studies were performed in seven Rubus species and four uncertain species from the sect. Rubus L. 7 […]

Diversity and conservation status of vascular plants of Dir Kohistan valley, Khyber Pakhtunkhwa Province

In this research effort have made to document the diversity and conservation status of important medicinal plants found in Dir Kohistan valley. This is ever first record of the flora of this area. The area has many climatic and vegetation zones. Locals residing in mountainous areas belonging to various ethnic groups are traditionally utilizing plants […]

Developmental impacts on wild goat’s (Capra aegagrus) ecosystem in Markazi province and its solutions

Markazi province with its elevated mountains is a suitable habitat for the wild goat(Capra aegagrus) such that the species has been chosen as the symbol of biodiversity in the province. The fragmentation of habitat due to the human-initiated activities is one of the major threatening factors against the species viability. The study is under taken […]

Assessment of density and cultivation type on growth and yield of two cultivars of basil (Ocimum basilicum L.)

The genus Ocimum has up to 60 species that Ocimum basilicum L. is the most important commercially species. It is cultivated throughout the world. This species often use as vegetables and health industry such as toothpaste, due to good favorite of its oil. This study was done in spring and summer of 2010 in the […]